Dear Colleagues,
The answer to this question may be obvious. However, I have not found any explicit statements concerning either the obligatory use of IVD filter papers in NBS or prohibition to use of non-IVD filter papers if they meet the same quality requirements (absorption time, absorption volume, weight etc.). Could you please add your comments on this?
Thank you in advance, Peter
My collaborators from laboratory declared no such obligation from WHO guidance for laboratory diagnostic. In contrast they never used filter papers without IVD mark but if the filter is dedicated to NBS exam it's ok in their opinion.
The main legal problem concern the results of the exam that should be obtained by validated diagnostic procedure. That is much more important, as filter paper do not make any diagnosis by itself as they said. :)
I hope this will help you Peter.
Jacek
https://www.who.int/diagnostics_laboratory/documents/guidance/pm_module14.pdf?ua=1
Dear Jacek,
Thank you for the answer. Even if we have always used IVD filter paper as both large manufacturers in NBS provide IVD paper (Alhstrom/PerkinElmer - Whatman), your information is indeed helpful!
A nice week to you,
Peter
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